INSTALLATION MANUAL
For safe and correct use, please read this installation manual thoroughly before installing the air-conditioner unit.
Air-Conditioners For Building Application
INDOOR UNITPCFY-P·NGMU-
E
Page 1: ...NSTALLATION MANUAL For safe and correct use please read this installation manual thoroughly before installing the air conditioner unit Air Conditioners For Building Application INDOOR UNIT PCFY P NGMU E ...
Page 2: ...t or too close to the unit as these items can be damaged by temperature changes or dripping water When the room humidity exceeds 80 or when the drainpipe is clogged wa ter may drip from the indoor unit Do not install the indoor unit where such dripping can cause damage When installing the unit in a hospital or communications office be prepared for noise and electronic interference Inverters home a...
Page 3: ...2 3 4 5 6 7 Fig 3 1 Fig 3 2 Fig 3 3 E D H C W A B U N IT 3 2 Preparation for installation Fig 3 2 Must be installed at least 8 ft 2 4 m above floor or grade level 3 2 1 Suspension bolt installing spacing inch Models A B C P15 36 23 32 39 5 8 8 9 32 P24 48 13 16 51 9 16 8 9 32 P30 48 13 16 51 9 16 10 5 8 P36 60 29 32 63 3 4 10 5 8 3 2 2 Refrigerant and drain tubing location inch Models D E F P15 5 ...
Page 4: ...the wall 2 Installing the suspending bracket first onto the ceiling Fig 3 8 Installing procedures 1 Remove the suspending brackets U shaped washers and suspending bracket holding screws from the unit 2 Adjust the suspending bracket holding bolts on the unit 3 Attach the suspending brackets to the suspending bolts 4 Set hook the unit to the suspending brackets Be sure to install the U shaped washer...
Page 5: ...ailable insulation materials heat resistant to 212 F 100 C or more thickness of 1 2 in 12 mm or more The indoor parts of the drain pipe should be wrapped with polyethylene foam insu lation materials specific gravity of 0 03 thickness of 23 64 in 9 mm or more Apply thin layer of refrigerant oil to pipe and joint seating surface before tightening flare nut Use two wrenches to tighten piping connecti...
Page 6: ...r left side tubing installation Fig 5 1 For left side tubing be sure to insert the rubber plug into the right drain port Install the drain tubing as it slopes continuously downward After completion of work check that correct drain is available from the outflow port of the drain tubing A Drain pan B Plug Fig 5 1 4 Installing the refrigerant piping 4 3 Indoor unit Fig 4 3 Installing procedures 1 Sli...
Page 7: ...a 1 25 mm2 junction cable 1 MA Remote controller Fig 6 3 Connect the 1 and 2 on indoor unit TB15 to a MA remote controller Non polar ized 2 wire DC 9 to 13 V between 1 and 2 MA remote controller 2 M NET Remote controller Fig 6 4 Connect the M1 and M2 on indoor unit TB5 to a M NET remote controller Non polarized 2 wire DC 24 to 30 V between M1 and M2 M NET remote controller A Terminal block for ind...
Page 8: ...ntroller If you want to sense room temperature with the built in sensor in a remote controller set SW1 1 on the control board to ON The setting of SW1 7 and SW1 8 as neces sary also makes it possible to adjust the air flow at a time when the heating thermom eter is OFF Fig 6 6 Address board 6 Electrical work G I J J J K K K K J J L K H 1 3 L1 L2 L4 r L3 2 Remarks Fig 6 5 Constraints on transmissio...
Page 9: ...the power supply or control wiring wrong polarity and no disconnection of one phase in the supply s Use a 500 volt megohmmeter to check that the resistance between the power supply terminals and ground is at least 1 0 MΩ Ω Ω Ω Ω s Do not carry out this test on the control wiring low voltage circuit termi nals Warning Do not use the air conditioner if the insulation resistance is less than 1 0 MΩ Ω...
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Page 12: ...his manual before handing it to the customer This product is designed and intended for use in the residential commercial and light industrial environment HEAD OFFICE MITSUBISHI DENKI BLDG 2 2 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN Printed in Japan BG79U668H01 ...